1296704781

素因数分解:

$3^4\times {\mathrm{3347}}^1\times {\mathrm{4783}}^1$

素因数の和:8142

約数の個数: 20

約数和(自身を含む): 1938036672

約数和(自身を除く): 641331891

約数列:

[1, 3, 9, 27, 81, 3347, 4783, 10041, 14349, 30123, 43047, 90369, 129141, 271107, 387423, 16008701, 48026103, 144078309, 432234927, 1296704781]

約数ペア:

[(1, 1296704781), (3, 432234927), (9, 144078309), (27, 48026103), (81, 16008701), (3347, 387423), (4783, 271107), (10041, 129141), (14349, 90369), (30123, 43047)]